public class Operator {
    public static void main(String[] args) {
        int n = 1073741824;
        System.out.println(n<<1);
    }
    public static void main2(String[] args) {
        int a = 1;
        int b = 0;
        boolean flag = false;
        if(flag && (a/b == 3));
        if((a == 1) || (a/b == 2));
        System.out.println("程序通过");
    }
    public static void main1(String[] args) {
        int a = 10;
        int b = 3;
        System.out.println(a % b);
        double c = 2.2;
        System.out.println(a % c);
    }
}
